![]() In this example, I’m creating a 1GB file using a fairly large block size of 512KB: :~ $ dd if=/dev/zero of=./test bs=512k count=2048 oflag=directġ073741824 bytes (1.1 GB) copied, 3.11501 s, 345 MB/s ![]() ![]() That’s why using is one of the easiest ways to understand the storage you’re working with. Dd command, that is pretty much guaranteed to be pre-installed on your Linux or Unix server, can be used to quickly get an understanding of the I/O capability of available storage.Īlthough there are specialised file processing and I/O benchmarks, you may not always have the time or permission to install additional packages.
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